CVE-2026-102371— wsl-pro-service: Ubuntu Pro token exposed via process command-line arguments
一分钟漏洞结论
影响对象
Canonical Ubuntu Pro for WSL
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
In wsl-pro-service before 0.1.19ubuntu3, the service component which runs as root inside each WSL instance attaches the instance to Ubuntu Pro by executing the pro client with the Ubuntu Pro token passed as a command-line argument (pro attach <token>). On syst
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一、 漏洞 CVE-2026-102371 基础信息
漏洞信息
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Vulnerability Title
wsl-pro-service: Ubuntu Pro token exposed via process command-line arguments
来源: CVE Program / CVE List V5
Vulnerability Description
In wsl-pro-service before 0.1.19ubuntu3, the service component which runs as root inside each WSL instance attaches the instance to Ubuntu Pro by executing the pro client with the Ubuntu Pro token passed as a command-line argument (pro attach <token>). On systems where /proc is mounted without process-hiding mitigations (such as hidepid), which is the default in WSL, an unprivileged local user or process in the same WSL instance can read the token from /proc/<pid>/cmdline while the attach process is running. The leaked token could then be used to attach other machines to the victim's Ubuntu Pro subscription and gain unauthorized access to Ubuntu Pro services.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
通过处理环境导致的信息暴露
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Canonical | Ubuntu Pro for WSL | 0.1.1 ~ 0.1.19ubuntu2 | - |
|
二、漏洞 CVE-2026-102371 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-102371 其他参考 (3)
-
https://ubuntu.com/security/CVE-2026-102371 vendor-advisory
IV. Related Vulnerabilities
V. Comments for CVE-2026-102371
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